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U74AHC1G14G-AL5-R

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UTC(Unisonic Tech) Inverters, SOT-353. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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U74AHC1G14G-AL5-R

UTC(Unisonic Tech) · Inverters · SOT-353

U74AHC1G14G-AL5-R from UTC(Unisonic Tech), in a SOT-353. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 NC unconnected No internal connection.
2 A input Schmitt-trigger inverter input, recommended input voltage 0 to 5.5 V.
3 GND power_in Ground reference for the device supply.
4 Y output Inverting output (Y = not A) with ±8 mA drive at 5 V, output voltage range 0 to VCC.
5 VCC power_in Positive supply, recommended 2 V to 5.5 V, absolute maximum -0.5 to 7 V.

Key specifications

Parameter Value
Manufacturer UTC(Unisonic Tech)
Package SOT-353
Category Logic
Pins 5

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Supply Voltage VCC -0.5 7 V 3
Input Voltage VIN -0.5 7 V 3
Output Voltage VOUT -0.5 V 3
VCC or GND Current ICC -50 50 mA 3
Output Current IOUT -25 25 mA 3
Input Clamp Current IIK -20 mA 3
Output Clamp Current IOK -20 20 mA 3
Storage Temperature TSTG -65 150 °C 3
Supply Voltage VCC 2 5.5 V 3
Input Voltage VIN 0 5.5 V 3
Output Voltage VOUT 0 V High or low state 3
Input Transition Rise or Fall Rate t/v 20 ns/V VCC=5.0+0.5V 3
Operating Temperature TA -40 125 °С 3
Positive-Going Threshold VT+ 1.2 2.2 V VCC=3.0V 3
Positive-Going Threshold VT+ 1.75 3.15 V VCC=4.5V 3
Positive-Going Threshold VT+ 2.15 3.85 V VCC=5.5V 3
Negative-Going Threshold VT- 0.9 1.9 V VCC=3.0V 3
Negative-Going Threshold VT- 1.35 2.75 V VCC=4.5V 3
Negative-Going Threshold VT- 1.65 3.35 V VCC=5.5V 3
Negative-Going Threshold ∆VT 0.3 1.2 V VCC=3.0V 3
Negative-Going Threshold ∆VT 0.4 1.4 V VCC=4.5V 3
Negative-Going Threshold ∆VT 0.5 1.6 V VCC=5.5V 3
High-Level Output Voltage VOH 1.9 2 V VCC=2.0V 3
High-Level Output Voltage VOH 2.9 3 V VCC=3.0V 3
High-Level Output Voltage VOH 4.4 4.5 V VCC=4.5V, IOH=-50μA 3
High-Level Output Voltage VOH 2.58 V VCC=3.0V, IOH=-4mA 3
High-Level Output Voltage VOH 3.94 V VCC=4.5V, IOH=-8mA 3
Low-Level Output Voltage VOL 0.1 V VCC=2.0V 3
Low-Level Output Voltage VOL 0.36 V VCC=3.0V, IOL=4mA 3
Input Leakage Current II(LEAK) -0.1 0.1 μA VCC=0~5.5V, VIN=5.5V or GND 3
Quiescent Supply Current IQ 1 μA VCC=5.5V, VIN=VCC or GND, IOUT=0A 3
Input Capacitance CI 2 10 pF VCC=5.0V, VIN=VCC or GND 3
Propagation Delay Time Input(A) to Output(Y) tPLH 8.3 12.8 ns VCC=3.3V±0.3V, CL=15pF 4
Propagation Delay Time Input(A) to Output(Y) tPLH 5.5 8.6 ns VCC=5V±0.5V, CL=15pF 4
Propagation Delay Time Input(A) to Output(Y) tPLH 10.8 16.3 ns VCC=3.3V±0.3V, CL=50pF 4
Propagation Delay Time Input(A) to Output(Y) tPLH 7 10.6 ns VCC=5V±0.5V, CL=50pF 4
Power Dissipation Capacitance CPD 9 pF VCC=5V, f=1MHz, No load 4

CAD (KiCad official)

  • Symbol: U74AHC1G14G-AL5-R
  • Footprint: Package_TO_SOT_SMD:SOT-353_SC-70-5
  • 3D model: SOT-353 (KiCad packages3D, STEP)
  • 3D model files: u74ahc1g14g-al5-r-etched.step / u74ahc1g14g-al5-r-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); u74ahc1g14g-al5-r.step / u74ahc1g14g-al5-r.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: UTC(Unisonic Tech) datasheet (5 pp, sha256 92609fe476c091fb, retrieved 2026-10-27, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF